Totoni violin, made in Bologna in 1700 (IMAGE) American Institute of Physics Caption This Totoni violin, made in Bologna in 1700, produced the strongest and most audible combination tones. CREDIT: Gabriele Caselli, Giovanni Cecchi, and Giulio Masetti Credit This Totoni violin, made in Bologna in 1700, produced the strongest and most audible combination tones. CREDIT: Gabriele Caselli, Giovanni Cecchi, and Giulio Masetti Usage Restrictions Journalists may use this image only with credit and when reporting on this research. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.